electric vehciles

Super Bowl Sunday is coming up, and while I don’t pay enough attention to say whether it’ll be a good game, it will definitely be a green(er) game. That, plus cooler roofs for more efficient solar power, and a very quick look at over a century of global warming: your green tech finds for the week.

Buy renewable energy for your Volt: While the arguments about the energy sources for electric vehicles and plug-in hybrids are generally really overblown and oversimplified, many EV drivers do want the cleanest power they can get for their vehicles. So, GM is developing a system for its OnStar platform that would notify Volt drivers when there’s renewable energy available on the grid so they could plug in at the right time. (via Earth 911)

What does global warming look like? If you’re thinking big picture in response to that question, the folks at NASA have released a video that shows 131 years of global temperature fluctuations in 26 seconds. (via Climate Central and @NRDC)